import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const router = new Router({
	routes: [
	  { path:'/', redirect: '/login'},
      { path: '/login', component: Login },
      { 
		path: '/home',
		component: Home,
		redirect: '/welcome',
	    children: [
			{ path: '/welcome', component: Welcome },
			{ path: '/users', component: Users},
			{ path: '/rights', component: Rights},
			{ path: '/roles', component: Roles},
			{ path: '/categories', component: Cate},
			{ path: '/params', component: Params},
			{ path: '/goods', component: GoodsList},
			{ path: '/goods/add', component: Add},
			{ path: '/orders', component: Order},
			{ path: '/reports', component: Report},
			],
	  }
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
	// to将要访问的路径
	// from代表从哪个路径跳转而来
	// next是一个函数，表示放行
	//next()放行  next(' /login')强制跳转
	if (to.path === '/login') return next();
	const tokenStr = window.sessionStorage.getItem('token');
	if (!tokenStr) return next('/login');
	next();
})

export default router